<template>
	<view class="body">
		<!-- 轮播图 区域-->
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
			<swiper-item class="swiper-item" v-for="(item,index) in goods_info.pics" :key="index">
				<image :src="item.pics_big"  @click="preview(index)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="goods-price">
				￥{{goods_info.goods_price}}
			</view>
			<!-- 商品信息主题区域 -->
			<view class="goods-info">
				<text class="goods-name">{{goods_info.goods_name}}</text>
				<view class="lover">
					<uni-icons type="heart" size="20"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<!-- 运费 -->
			<view class="yf">
				快递:免运费 
			</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		
		<!-- 商品导航组件 -->
		<view class="goods-nav">
			<uni-goods-nav :options="options" :fill="true" :button-group="buttonGroup" @click="onClick" @buttonClick="buttonClick"/>
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	export default {
		computed:{
			...mapGetters('m_cart',['total']),
		},
		data() {
			return {
				// 商品详情信息
				goods_info:{},
				  options: [ {
							icon: 'shop',
							text: '店铺',
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info:0
						}],
					    buttonGroup: [{
					      text: '加入购物车',
					      backgroundColor: '#ff0000',
					      color: '#fff'
					    },
					    {
					      text: '立即购买',
					      backgroundColor: '#ffa200',
					      color: '#fff'
					    }
					    ]
			};
		},
		onLoad(options) {
			// console.log(options)
			const goods_id = options.goods_id;
			this.getGoodsDeatail(goods_id);
		},
		methods:{
			// 获取商品详情信息
			async getGoodsDeatail(id){
				const {data:res} = await uni.$http.get('api/public/v1/goods/detail',{goods_id:id});
				// console.log(res);
				if(res.meta.status != 200)return uni.$showMsg()
			res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
				this.goods_info = res.message;
				// console.log(this.goods_info)
			},
			// 点击轮播图显示大图片
			preview(index){
				uni.previewImage({
					current:index,
					urls:this.goods_info.pics.map(item=>item.pics_big)
				})
			},
			onClick(e){
				console.log(e)
				if(e.content.text === '购物车'){
					uni.switchTab({
						url:'../../pages/cart/cart'
					})
					}
			},
			...mapMutations('m_cart',['addToCart']),
			buttonClick(e){
				// console.log(e)
				if(e.content.text === '加入购物车'){
					const goods = {
						// goods_id,goods_name,goods_price,goods_count,goods_small_logo,goods_state
						goods_id:this.goods_info.goods_id,
						goods_name:this.goods_info.goods_name,
						goods_price:this.goods_info.goods_price,
						goods_count:1,
						goods_small_logo:this.goods_info.goods_small_logo,
						goods_state:true
					};
					this.addToCart(goods)
				}
			},
		},
		watch:{
			total:{
			handler(newVal){
				const result = this.options.find(item=>item.text === '购物车')
				if(result){
					result.info = newVal
				}
			},
			immediate:true
			}
		}
	}
</script>

<style lang="scss">
	.body{
		background-color: #FFFFFF;
		padding-bottom: 50px;
	}
swiper{
	height: 750rpx;
	image{
		width: 100%;
		height: 100%;
	}
}
.goods-info-box{
	display: flex;
	flex-direction: column;
	.goods-price{
		color: #c00000;
		padding: 10px 4px;
	}
	.goods-info{
		display: flex;
		padding: 0 4px;
		align-items: center;
		font-size: 12px;
		justify-content: space-between;
		.goods-name{
			border-right: 1px solid #F6f6f6;
		}
		.lover{
			display: flex;
			align-items: center;
			font-size: 12px;
			color: gray;
			flex-direction: column;
			width: 70px;
			.uni-icons{
				color: gray !important;
			}
		}	
	}
	.yf{
		padding: 10px 5px;
		font-size: 12px;
		color: gray;
	}
}
.goods-nav{
	position: sticky;
	bottom: 0;
}
</style>
